Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Jameson, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
660-828 A JMSNMOXARS0  1885 WINDSTREAM MISSOURI, INC. 524      
660-828 0   1885 WINDSTREAM MISSOURI, INC. 524      
660-828 1   093F ONVOY, LLC - MO 524   2021-04-23   
660-828 2   093F ONVOY, LLC - MO 524   2020-10-25   
660-828 3   093F ONVOY, LLC - MO 524   2021-05-15   
660-828 4   1885 WINDSTREAM MISSOURI, INC. 524      
660-828 5   624H ONVOY SPECTRUM, LLC 524   2025-01-12   
660-828 7   508J CENTURYLINK COMMUNICATIONS, LLC 524   2017-09-13   
660-828 8   093F ONVOY, LLC - MO 524   2021-04-23   
660-828 9   1885 WINDSTREAM MISSOURI, INC. 524      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.